| 单词 | epimer | 
| 释义 | epimer [`ep·ǝ·mǝr]  ORGANIC CHEMISTRY A type of isomer in which the difference between the two compounds is the relative position of the H (hydrogen) group and OH (hydroxyl) group on the last asymmetric C (carbon) atom of the chain, as in the sugars d-glucose and d-mannose.  | 
	
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